Answer:
This is a blinded experiment.
Explanation:
In this type of study, none of the participants know about the variables that might affect the results, until the end. This is usually done to avoid a placebo effect. It is considered to be an important tool in several scientific areas, especially in medicine and psychology.
There is a type of study where not even the researchers know about the dependent variables. This is called a double-blind study.
Since Machiavelli uses a logical approach to persuade the audience, the concrete example that he used to <span>emphasize that fortune is unrestrained and dangerous is a flood. The answer for this would be option A. Hope this answers your question. Have a great day!</span>